By Bestbuy.com

Waterdrop - WD-C1RF Filter with RO membrane, Replacement for WD-C1S and WD-C1H Countertop CoreRO System

The Waterdrop WD-C1RF replacement filter is designed for the WD-C1S and WD-C1H CoreRO countertop systems, featuring a 6-stage 0.0001μm RO membrane that effectively reduces TDS, PFAS, chlorine, fluoride, arsenic, lead, and more for clean, safe water. Certified by NSF/ANSI 372 for lead-free materials and tested by SGS for performance, it ensures reliable filtration and healthier hydration. With a 3:1 pure-to-drain ratio, it saves water, minimizes bottled water use, and supports sustainable living. Built with durable materials, it provides up to 12 months of long-lasting use and can be quickly and conveniently replaced for continued peace of mind.